Home / 13,172.22-19,766.63-9,607.70

Finding the Fourth Proportional to 13,172.22, 19,766.63 and 9,607.70

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Solution

The fourth proportional to 13,172.22, 19,766.63 and 9,607.70 is: 14,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.22 : 19,766.63 = 9,607.70 : x
  2. Step 2: Convert to fraction form
    13,172.22/19,766.63 = 9,607.70/x
  3. Step 3: Cross multiply
    13,172.22x = 19,766.63 × 9,607.70
  4. Step 4: Simplify right side
    13,172.22x = 189,911,851.05
  5. Step 5: Solve for x
    x = 189,911,851.05/13,172.22
  6. Step 6: Final answer
    x = 14,417.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.